ES18A Pre Quiz

Earth ________ on its axis once a day.
1. revolves
2. rotates
3. remits
4. reduces
Day and night are caused by ___________.
1. Earth's revolution of the moon
2. the moon's tilt
3. Earth's tilt of 23.5 degrees
4. Earth's rotation on its axis
In an eclipse, if you are in the _____________ the sun is totally blocked out.
1. orbit
2. bright side
3. penumbra
4. umbra
Earth's rotation is about once every __________ .
1. 24 hours
2. 365.25 days
3. 29.5 days
4. 365 days
The same length of daytime and night happens during the __________.
1. equinox
2. solstice
3. spring solstice
4. autumnal solstice
Earth ____________ around the sun once a year.
1. equinox
2. eclipses
3. rotates
4. revolves
Earth ____________ on it axis once a day.
1. equinox
2. rotates
3. eclipses
4. revolves
We see the moon in its ______________ when it is lit by the sun at different times in its orbit around Earth.
1. revolution
2. solstice
3. phases
4. equinox
_____________ happen when the moon or sun pull on the water on the Earth.
1. Equinox
2. Epicenter
3. Waves
4. Tides
The darkest part of the eclipse is the __________________ .
1. penumbra
2. orbit
3. umbra
4. slider
When the sun's rays are the most direct it is _____________ in the Northern hemisphere.
1. summer
2. fall
3. spring
4. winter
The solstice happens ___________ a year.
1. three times
2. twice
3. once
4. four times
There are ________ high tide(s) and __________ low tide(s) every day .
1. 2, 2
2. 1, 1
3. 4,4
4. 2, 4
During a solar eclipse, the __________ is hidden in shadow.
1. Earth
2. asteroid
3. sun
4. moon
You can watch a __________ eclipse without special equipment.
1. solar
2. lunar
3. windy
4. spiral

ES18A Pre Quiz

This will help you know where you are strong.